Initial upload v3.4.7

algo/keccak/sse2/sph_keccak.h

@@ -0,0 +1,102 @@
+/* $Id: sph_keccak.h 216 2010-06-08 09:46:57Z tp $ */
+/**
+ * Keccak interface. This is the interface for Keccak with the
+ * recommended parameters for SHA-3, with output lengths 224, 256,
+ * 384 and 512 bits.
+ *
+ * ==========================(LICENSE BEGIN)============================
+ *
+ * Copyright (c) 2007-2010  Projet RNRT SAPHIR
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * ===========================(LICENSE END)=============================
+ *
+ * @file     sph_keccak.h
+ * @author   Thomas Pornin <thomas.pornin@cryptolog.com>
+ */
+
+#ifndef SPH_KECCAK_H__
+#define SPH_KECCAK_H__
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+#include <stddef.h>
+#include "algo/sha3/sph_types.h"
+
+#define QSTATIC static 
+
+/**
+ * Output size (in bits) for Keccak-512.
+ */
+#define SPH_SIZE_keccak512   512
+
+/**
+ * This structure is a context for Keccak computations: it contains the
+ * intermediate values and some data from the last entered block. Once a
+ * Keccak computation has been performed, the context can be reused for
+ * another computation.
+ *
+ * The contents of this structure are private. A running Keccak computation
+ * can be cloned by copying the context (e.g. with a simple
+ * <code>memcpy()</code>).
+ */
+/**
+ * Type for a Keccak-512 context (identical to the common context).
+ */
+
+/**
+ * Initialize a Keccak-512 context. This process performs no memory allocation.
+ *
+ * @param cc   the Keccak-512 context (pointer to a
+ *             <code>sph_keccak512_context</code>)
+ */
+
+/**
+ * Terminate the current Keccak-512 computation and output the result into
+ * the provided buffer. The destination buffer must be wide enough to
+ * accomodate the result (64 bytes). The context is automatically
+ * reinitialized.
+ *
+ * @param cc    the Keccak-512 context
+ * @param dst   the destination buffer
+ */
+
+/**
+ * Add a few additional bits (0 to 7) to the current computation, then
+ * terminate it and output the result in the provided buffer, which must
+ * be wide enough to accomodate the result (64 bytes). If bit number i
+ * in <code>ub</code> has value 2^i, then the extra bits are those
+ * numbered 7 downto 8-n (this is the big-endian convention at the byte
+ * level). The context is automatically reinitialized.
+ *
+ * @param cc    the Keccak-512 context
+ * @param ub    the extra bits
+ * @param n     the number of extra bits (0 to 7)
+ * @param dst   the destination buffer
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif